Wang, B
Xie, M
Li, R
Owonikoko, T K
Ramalingam, S S
Khuri, F R
Curran, W J
Wang, Y
Deng, X
Article History
Received: 12 August 2013
Revised: 17 February 2014
Accepted: 6 March 2014
First Online: 25 April 2014
Competing interests
: The authors declare no conflict of interest.